{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["biology", "disease", "plant", "geographical phenomenon"], "input": "Symptoms of infection are often a severe combination of pneumonia , encephalitis and damage to the immune system , which greatly impair the cetacean 's ability to swim and stay afloat unassisted ."}
{"biology": [], "disease": ["pneumonia", "encephalitis"], "plant": [], "geographical phenomenon": []}